Oled display
AssigneeWuhan China Star Optoelectronics Technology Co., Ltd.
InventorXianjie Li
Life of this patent
Estimating the term…
Abstract
The present invention provides an OLED display, comprising a substrate, a thin film transistor layer, a blue light emitting layer, a cover plate and a color conversion layer; wherein the color conversion layer comprises a plurality of red conversion units and green conversion units, and both materials of the red conversion units and the green conversion units are organic metal halide perovskite materials; the blue light emitted by the blue light OLED correspond to the red, the green and the blue sub pixel regions, and respectively converted into red light by the red conversion units to emit, converted into green light by the green conversion units to emit and emitted through the cover plate, directly to obtain the red, green, blue lights of high color saturation to realize the color display of the high color gamut.
Claims18
An OLED display, comprising a substrate, a thin film transistor layer formed on the substrate, a blue light OLED formed on the thin film transistor layer, a cover plate located on the blue light OLED and laminated with the substrate and a color conversion layer formed at an inner side of the cover plate;
- the blue light OLED comprising an anode, a hole injection layer, a hole transporting layer, a blue light emitting layer, an electron transport layer, an electron injection layer and a cathode which are stacked up from bottom to top in order;
- the color conversion layer comprising a plurality of red conversion units and green conversion units which are separately located;
- blue light emitted by the blue light emitting layer being respectively converted into red light by the red conversion units to emit, converted into green light by the green conversion units to emit and emitted through the cover plate, directly to realize color display;
- wherein both materials of the red conversion units and the green conversion units are organic metal halide perovskite materials.
An OLED display, comprising a substrate, a thin film transistor layer formed on the substrate, a blue light OLED formed on the thin film transistor layer, a cover plate located on the blue light OLED and laminated with the substrate and a color conversion layer formed at an inner side of the cover plate;
- the blue light OLED comprising an anode, a hole injection layer, a hole transporting layer, a blue light emitting layer, an electron transport layer, an electron injection layer and a cathode which are stacked up from bottom to top in order;
- the color conversion layer comprising a plurality of red conversion units and green conversion units which are separately located;
- blue light emitted by the blue light emitting layer being respectively converted into red light by the red conversion units to emit, converted into green light by the green conversion units to emit and emitted through the cover plate, directly to realize color display;
- both materials of the red conversion units and the green conversion units being organic metal halide perovskite materials;
- the OLED display further comprising a sealant bonding the substrate and the cover plate;
- wherein both materials of the substrate and the cover plate are glass or a flexible material.
Dependencies are inferred from the claim text.